CN103061497B - The lifting of a kind of operating mode self-adapting type scaffold and anti-drop device - Google Patents
The lifting of a kind of operating mode self-adapting type scaffold and anti-drop device Download PDFInfo
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- CN103061497B CN103061497B CN201210528879.8A CN201210528879A CN103061497B CN 103061497 B CN103061497 B CN 103061497B CN 201210528879 A CN201210528879 A CN 201210528879A CN 103061497 B CN103061497 B CN 103061497B
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Abstract
The invention discloses the lifting of a kind of operating mode self-adapting type scaffold and anti-drop device, it comprises scaffold elevating mechanism, lever-type link gear and safety dropping prevent mechanism, described scaffold elevating mechanism, link gear and safety dropping prevent mechanism are arranged in frame, described frame lower arranges the bolt hole be connected with scaffold frame, described scaffold elevating mechanism connects described safety dropping prevent mechanism by link gear, and described safety dropping prevent mechanism top connects exterior wall.The present invention forms a complete transmission system, normal elevating function is realized by described scaffold elevating mechanism, described link gear realizes monitoring in real time jacking condition and transmitting, described safety dropping prevent mechanism realizes burst accident emergency brake process, realizes normal lifting and anti-fall object well.The present invention designs ingenious, easy for installation, safe and reliable, is specially adapted to, in high-building construction scaffold, have good value for applications.
Description
Technical field
The invention belongs to scaffold security tool technical field, particularly a kind of operating mode self-adapting type scaffold lifting and anti-drop device.
Background technology
At present in the building operations of high level, the lifting of operating mode self-adapting type scaffold and anti-drop device are a kind of construction equipments be in daily use, and at home and abroad widely use especially in high-building construction.But in a lot of area, building safety accident becomes the second largest killer being only second to traffic accident, and in all building safety death by accidents, scaffold falling from high altitude is the significant proportion accounted in construction industry accident, and these directly support with the scaffold in building operations and to locate and anti-drop device is associated.Supporting location and the anti-drop device of conventional building attached lift scaffold all separate, and supporting positioning form is steel tube fastener, it all needs when attached lift scaffold promotes or declines at every turn to carry out dismounting, whole process operation is loaded down with trivial details, easily make mistakes, need a large amount of labours, and some workman follows the line of least resistance and directly to be fixed with things such as iron wires by anti-fall push rod, anti-drop device was lost efficacy, there is great potential safety hazard.Be exactly that direct elevator drives scaffold to be elevated to appointment construction location in addition, easy to use, but corresponding anti-fall measure is limited, or be mostly to arrange stuck mechanism of falling on lifting rope, but for lifting rope fatigue fracture or the fracture of other forms, this anti-fall measure obviously can be lost efficacy, and will certainly lead to security incident, causes huge economic loss and personal damage.CN201003276Y discloses a kind of full-automatic anti-dropping dropping control device of attached lift scaffold, comprises anti-fall seat and assembled in pairs anti-fall piece, and the gag lever post on guide rail; Be provided with anti-fall block reset stage clip in anti-fall seat, reseting pressuring spring upper end connects push rod, and push rod lower end connects briquetting, and anti-fall piece is arranged on anti-fall seat by anti-fall shipping and reselling on another market, and anti-fall piece of rear end is connected with briquetting by turning sliding pin; Anti-fall piece of front end stops guide rail to fall by gag lever post; Falling proof device by drag-line be arranged on the anti-fall excitation apparatus adhering to supporting beam front end and be connected, the upper suspension centre of jacking equipment is connected with the raising rod of anti-fall excitation apparatus.But the full-automatic anti-dropping dropping control device structure relative complex of above-mentioned attached lift scaffold, fact proved that the more complicated efficiency of transmission mechanism is lower, ageing just poor, and cost is higher, is unfavorable for that popularity uses.
Summary of the invention
The object of the invention is to solve the problem that when lifting rope surprisingly lost efficacy, scaffold falls, and provides a kind of simple and practical, safe and reliable operating mode self-adapting type scaffold to be elevated and anti-drop device.
To achieve these goals, the technical solution used in the present invention is: a kind of operating mode self-adapting type scaffold lifting and anti-drop device, it comprises scaffold elevating mechanism, lever-type link gear and safety dropping prevent mechanism, described scaffold elevating mechanism, link gear and safety dropping prevent mechanism are arranged in frame, described frame lower arranges the bolt hole be connected with scaffold frame, described scaffold elevating mechanism connects described safety dropping prevent mechanism by link gear, and described safety dropping prevent mechanism top connects exterior wall.
Described scaffold elevating mechanism comprises quiet pulley, movable pulley and elastic telescopic part, described frame arranges the gathering sill of vertical direction, the rotating shaft of described movable pulley is arranged in described gathering sill, described quiet pulley and described movable pulley arrange lifting rope, and the rotating shaft of described movable pulley connects described link gear by described elastic telescopic part.
Described link gear comprises the parallel double end shift fork of two panels and is arranged at the shift fork rotating shaft in described frame, arranges roll shaft, arrange the pin connecting described elastic telescopic part in the prong of rear end in the prong of described double end shift fork front end.
Described safety dropping prevent mechanism comprises anti-fall suspension rod and described roll shaft, described frame arranges the angled slot installing described roll shaft, described angled slot front end is higher than rear end, and the anterior gap of described angled slot arranges described anti-fall suspension rod, and described anti-fall suspension rod top arranges exterior wall connecting elements.
Described elastic telescopic part comprises spring and spring guide, described lower spring end arranges spring base, described spring base connects described movable pulley rotating shaft near described frame side, described spring base arranges the through hole through described spring guide, the upper end of described spring is located otic placode with described spring guide top and is fixedly connected with, and described spring base connects described double end shift fork by lever.
Described elastic telescopic part comprises spring and spring guide, described spring upper end arranges spring base, described spring base connects described movable pulley rotating shaft near described frame side, described spring base arranges the through hole through described spring guide, the lower end of described spring is located otic placode with described spring guide bottom and is fixedly connected with, and described spring base connects described double end shift fork by lever.
In described quiet pulley and described movable pulley, bearing is set.
Described roll shaft two ends arrange back-up ring.
When described roll shaft is in low level and between described anti-fall suspension rod, space is set.
Described in all sides of described anti-fall suspension rod, frame arranges gusset.
In the middle part of described roll shaft, cancave cambered surface is set.
The present invention includes the scaffold elevating mechanism be arranged in frame, lever-type link gear and safety dropping prevent mechanism, form a complete transmission system, normal elevating function is realized by described scaffold elevating mechanism, described link gear realizes monitoring in real time jacking condition and transmitting, self adaptation real-time working condition, described safety dropping prevent mechanism realizes burst accident emergency processing: when normally using, by the bolt hole that described frame lower is arranged, scaffold frame can well be connected, form an entirety, described movable pulley plays guide effect to lifting rope together with quiet pulley, under lifting dynamic action, then smoothly scaffold can be elevated to predetermined construction location by lifting rope, in described frame, correspondence position arranges the gathering sill of vertical direction, described movable pulley rotating shaft can move up and down in described gathering sill: under normal circumstances, described movable pulley is in described gathering sill upper position under the effect of lifting rope pull, described link gear comprises the parallel double end shift fork of two panels and is arranged at the shift fork rotating shaft in described frame, in the prong of described double end shift fork front end, roll shaft is set, the pin connecting described elastic telescopic part is set in the prong of rear end, described in two panels, double end shift fork be arranged in parallel, can fix described roll shaft well, the duty of elevating mechanism can be passed to described safety dropping prevent mechanism by described lever by mechanism well, described safety dropping prevent mechanism comprises anti-fall suspension rod and described roll shaft, described frame arranges the angled slot installing described roll shaft, described angled slot front end is higher than rear end, the anterior gap of described angled slot arranges described anti-fall suspension rod, have employed inclined-plane and roll shaft self-lock mechanism, can well when scaffold lifting rope surprisingly loses efficacy, described roll shaft moves along on the inclined-plane of described angled slot under the effect of described double end shift fork, the gap of described roll shaft and described anti-fall suspension rod reduces, until clamp described anti-fall suspension rod tightly, realize preventing scaffold from continuing the object of falling, described anti-fall suspension rod top arranges exterior wall connecting elements, adopts highly versatile connecting elements, simple and reliable, is the secure connection point of described lifting rope whole scaffold when surprisingly losing efficacy, described elastic telescopic part comprises spring and spring guide, described lower spring end arranges spring base, described spring base connects described movable pulley rotating shaft near described frame side, described spring base arranges the through hole through described spring guide, the upper end of described spring is located otic placode with described spring guide top and is fixedly connected with, described spring base connects described double end shift fork by lever, because the rotating shaft of described movable pulley can vertically move up and down by gathering sill, in normal lifting process, described spring is compressed under the effect of lifting rope, described movable pulley is positioned at gathering sill upper end position, when described lifting rope surprisingly lost efficacy, described movable pulley is under the described spring action of compression, be pushed to the extreme lower position of described gathering sill instantaneously, drive described link gear action, and then provide power for described safety dropping prevent mechanism action, described elastic telescopic part comprises spring and spring guide, described spring upper end arranges spring base, described spring base connects described movable pulley rotating shaft near described frame side, described spring base arranges the through hole through described spring guide, the lower end of described spring is located otic placode with described spring guide bottom and is fixedly connected with, described spring base connects described double end shift fork by lever, as a same reason, difference is, in normal lifting process, described spring is in extended state, when being elevated rope and surprisingly losing efficacy, described movable pulley is under extension spring reset response, instantaneously described movable pulley is pushed to the extreme lower position of described gathering sill, drive link gear action, for safety dropping prevent mechanism action provides power, in described quiet pulley and described movable pulley, bearing is set, can ensures, around its axis flexible rotating, to alleviate the rate of wear, reduce noise decibel, and increase the service life, described roll shaft two ends arrange back-up ring, described roll shaft effectively can be avoided to slide in described double end shift fork, come off, cause anti-fall inefficacy and cause security incident, when described roll shaft is in low level and between described suspension rod, space is set, when scaffold is normally elevated, described roll shaft is in bottom under the effect of double end shift fork, described roll shaft and described anti-fall suspension rod keep certain interval, guarantee freely being elevated of scaffold, owing to causing braking when moving in wink when declining, operational failure can not be caused, described in all sides of described anti-fall suspension rod, frame arranges gusset, can improve the intensity of connecting portion, improves reply burst accident ability, be set to cancave cambered surface in the middle part of described roll shaft, when cord break lost efficacy, because described roll shaft and described anti-fall suspension rod contact area increase, braking effect significantly improved.The present invention completes trial production substantially, physical object simulating scaffold lifting work progress, in loading 2000kg situation, descending operation is flexible, by repeatedly scaffold lifting steel wire inefficacy experiment, each scaffold entirety only glides 40mm, is far smaller than the design objective being no more than 70mm that Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) requires.Of the present inventionly design ingenious, easy for installation, safe and reliable, be specially adapted to, in high-building construction scaffold, have good value for applications.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is link gear structural representation of the present invention;
Fig. 3 is the another kind of structural representation of elastic telescopic part of the present invention.
Detailed description of the invention
Specific embodiment 1
As depicted in figs. 1 and 2, the lifting of a kind of operating mode self-adapting type scaffold and anti-drop device, it comprises scaffold elevating mechanism, lever-type link gear and safety dropping prevent mechanism, described scaffold elevating mechanism, link gear and safety dropping prevent mechanism are arranged in frame 1, described frame 1 bottom arranges the bolt hole 2 be connected with scaffold frame, described scaffold elevating mechanism connects described safety dropping prevent mechanism by link gear, and described safety dropping prevent mechanism top connects exterior wall.
Described scaffold elevating mechanism comprises quiet pulley 3, movable pulley 4 and elastic telescopic part, described frame 1 is arranged the gathering sill 5 of vertical direction, the rotating shaft of described movable pulley 4 is arranged in described gathering sill 5, described quiet pulley 3 and described movable pulley 4 arrange lifting rope 6, and the rotating shaft of described movable pulley 4 connects described link gear by described elastic telescopic part.
Described link gear comprises the parallel double end shift fork of two panels 7 and is arranged at the shift fork rotating shaft 8 of in described frame 1, arranges roll shaft 9, arrange the pin 10 connecting described elastic telescopic part in the prong of rear end in the prong of described double end shift fork 7 front end.
Described safety dropping prevent mechanism comprises anti-fall suspension rod 11 and described roll shaft 9, described frame 1 arranges the angled slot 12 installing described roll shaft 9, described angled slot 12 front end is higher than rear end, the described anterior gap of angled slot 12 arranges described anti-fall suspension rod 11, and described anti-fall suspension rod 11 top arranges exterior wall connecting elements.
Described elastic telescopic part comprises spring 13 and spring guide 14, described spring 13 lower end arranges spring base 15, described spring base 15 connects the rotating shaft of described movable pulley 4 near described frame 1 side, described spring base 15 arranges the through hole 16 through described spring guide 14, the upper end of described spring 13 is located otic placode with described spring guide 14 top and is fixedly connected with, and described spring base 15 connects described double end shift fork 7 by lever 10.
In described quiet pulley 3 and described movable pulley 4, bearing is set.
Described roll shaft 9 two ends arrange back-up ring 17.
When described roll shaft 9 is in low level and between described anti-fall suspension rod 11, space is set.
Described in described anti-fall suspension rod 11 weeks sides, frame arranges gusset.
In the middle part of described roll shaft 9, cancave cambered surface 18 is set.
Specific embodiment 2
As shown in Figure 1, Figure 2 and Figure 3, the lifting of a kind of operating mode self-adapting type scaffold and anti-drop device, it comprises scaffold elevating mechanism, lever-type link gear and safety dropping prevent mechanism, described scaffold elevating mechanism, link gear and safety dropping prevent mechanism are arranged in frame 1, described frame 1 bottom arranges the bolt hole 2 be connected with scaffold frame, described scaffold elevating mechanism connects described safety dropping prevent mechanism by link gear, and described safety dropping prevent mechanism top connects exterior wall.
Described scaffold elevating mechanism comprises quiet pulley 3, movable pulley 4 and elastic telescopic part, described frame 1 is arranged the gathering sill 5 of vertical direction, the rotating shaft of described movable pulley 4 is arranged in described gathering sill 5, described quiet pulley 3 and described movable pulley 4 arrange lifting rope 6, and the rotating shaft of described movable pulley 4 connects described link gear by described elastic telescopic part.
Described link gear comprises the parallel double end shift fork of two panels 7 and is arranged at the shift fork rotating shaft 8 of in described frame 1, arranges roll shaft 9, arrange the pin 10 connecting described elastic telescopic part in the prong of rear end in the prong of described double end shift fork 7 front end.
Described safety dropping prevent mechanism comprises anti-fall suspension rod 11 and described roll shaft 9, described frame 1 arranges the angled slot 12 installing described roll shaft 9, described angled slot 12 front end is higher than rear end, the described anterior gap of angled slot 12 arranges described anti-fall suspension rod 11, and described anti-fall suspension rod 11 top arranges exterior wall connecting elements.
Described elastic telescopic part comprises spring 13 and spring guide 14, described spring 13 upper end arranges spring base 15, described spring base 15 connects the rotating shaft of described movable pulley 4 near described frame 1 side, described spring base 15 arranges the through hole 16 through described spring guide 14, the upper end of described spring 13 is located otic placode with described spring guide 14 bottom and is fixedly connected with, and described spring base 15 connects described double end shift fork 7 by lever 10.
In described quiet pulley 3 and described movable pulley 4, bearing is set.
Described roll shaft 9 two ends arrange back-up ring 17.
When described roll shaft 9 is in low level and between described anti-fall suspension rod 11, space is set.
Described in described anti-fall suspension rod 11 weeks sides, frame arranges gusset.
In the middle part of described roll shaft 9, cancave cambered surface 18 is set.
The present invention includes the scaffold elevating mechanism be arranged in frame 1, lever-type link gear and safety dropping prevent mechanism, form a complete transmission system, normal elevating function is realized by described scaffold elevating mechanism, described link gear realizes monitoring in real time jacking condition and transmitting, self adaptation real-time working condition, described safety dropping prevent mechanism realizes burst accident emergency processing: when normally using, by the bolt hole 2 that described frame 1 bottom is arranged, scaffold frame can well be connected, form an entirety, described movable pulley 4 plays guide effect to described lifting rope 6 together with quiet pulley 3, under lifting dynamic action, just smoothly scaffold can be elevated to predetermined construction location by lifting rope 6, in described frame 1, corresponding described movable pulley 4 position arranges the gathering sill 5 of vertical direction, the rotating shaft of described movable pulley 4 can move up and down in described gathering sill 5: under normal circumstances, described movable pulley 4 is in described gathering sill 5 upper position under the effect of lifting rope 6 pulling force, described link gear comprises the parallel double end shift fork of two panels 7 and is arranged at the shift fork rotating shaft 8 of in described frame 1, in the prong of described double end shift fork 7 front end, roll shaft 9 is set, the pin 10 connecting described elastic telescopic part is set in the prong of rear end, described in two panels, double end shift fork 7 be arranged in parallel, can fix described roll shaft 9 well, the duty of elevating mechanism can be passed to described safety dropping prevent mechanism by described lever 10 by mechanism well, described safety dropping prevent mechanism comprises anti-fall suspension rod 11 and described roll shaft, described frame 1 arranges the angled slot 12 installing described roll shaft 9, described angled slot 12 front end is higher than rear end, the described anterior gap of angled slot 12 arranges described anti-fall suspension rod 11, have employed inclined-plane and roll shaft 9 self-lock mechanism, can well when scaffold lifting rope 6 surprisingly loses efficacy, described roll shaft 9 moves along on the inclined-plane of described angled slot 12 under described double end shift fork 7 acts on, described roll shaft 9 reduces with the gap of described anti-fall suspension rod 11, until clamp described anti-fall suspension rod 11 tightly, realize preventing scaffold from continuing the object of falling, described anti-fall suspension rod 11 top arranges exterior wall connecting elements, adopts highly versatile connecting elements, simple and reliable, the secure connection point of whole scaffold when to be that described lifting rope 6 is unexpected lost efficacy, described elastic telescopic part comprises spring 13 and spring guide 14, described spring 13 lower end arranges spring base 15, described spring base 15 connects the rotating shaft of described movable pulley 4 near described frame 1 side, described spring base 15 arranges the through hole 16 through described spring guide 14, the upper end of described spring 13 is located otic placode with described spring guide 14 top and is fixedly connected with, described spring base 15 connects described double end shift fork 7 by lever 10, because the rotating shaft of described movable pulley 4 can vertically move up and down at described gathering sill 5, in normal lifting process, described spring 13 is compressed under described lifting rope 6 acts on, described movable pulley 4 is positioned at described gathering sill 5 upper end position, when described lifting rope 6 surprisingly lost efficacy, described movable pulley 4 is under the described spring 13 of compression acts on, be pushed to the extreme lower position of described gathering sill 5 instantaneously, drive described link gear action, and then provide power for described safety dropping prevent mechanism action, described elastic telescopic part comprises spring 13 and spring guide 14, described spring 13 upper end arranges spring base 15, described spring base 15 connects the rotating shaft of described movable pulley 4 near described frame 1 side, described spring base 15 arranges the through hole 16 through described spring guide 14, the upper end of described spring 13 is located otic placode with described spring guide 14 bottom and is fixedly connected with, described spring base 15 connects described double end shift fork 7 by lever 10, as a same reason, difference is, in normal lifting process, described spring 13 is in extended state, when described lifting rope 6 surprisingly lost efficacy, described movable pulley 4 is under extension spring reset response, instantaneously described movable pulley 4 is pushed to the extreme lower position of described gathering sill 5, drive link gear action, for safety dropping prevent mechanism action provides power, in described quiet pulley 3 and described movable pulley 4, bearing is set, can ensures, around its axis flexible rotating, to alleviate the rate of wear, reduce noise decibel, and increase the service life, described roll shaft 9 two ends arrange back-up ring 17, described roll shaft 9 effectively can be avoided to slide in described double end shift fork 7, come off, cause anti-fall inefficacy and cause security incident, when described roll shaft 9 is in low level and between described anti-fall suspension rod 11, space is set, when scaffold is normally elevated, described roll shaft 9 is in bottom under described double end shift fork 7 acts on, described roll shaft 9 keeps certain interval with described anti-fall suspension rod 11, guarantee freely being elevated of scaffold, owing to causing braking when moving in wink when declining, operational failure can not be caused, described in described anti-fall suspension rod 11 weeks sides, frame 1 arranges gusset, can improve the intensity of connecting portion, improves reply burst accident ability, be set to cancave cambered surface 18 in the middle part of described roll shaft 9, when described lifting rope 6 rupture, lost efficacy time, because described roll shaft 9 and described anti-fall suspension rod 11 contact area increase, braking effect significantly improves.In the specific embodiment of the invention 1, scheme completes trial production substantially, physical object simulating scaffold lifting work progress, in loading 2000kg situation, descending operation is flexible, by repeatedly scaffold lifting steel wire inefficacy experiment, each scaffold entirety only glides 40mm, is far smaller than the design objective being no more than 70mm that Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) requires.Of the present inventionly design ingenious, easy for installation, safe and reliable, be specially adapted to, in high-building construction scaffold, have good value for applications.
Claims (8)
1. an operating mode self-adapting type scaffold lifting and anti-drop device, it comprises scaffold elevating mechanism, lever-type link gear and safety dropping prevent mechanism, described scaffold elevating mechanism connects described safety dropping prevent mechanism by link gear, described safety dropping prevent mechanism top connects exterior wall, described scaffold elevating mechanism, link gear and safety dropping prevent mechanism are arranged in frame, it is characterized in that: described frame lower arranges the bolt hole be connected with scaffold frame, described scaffold elevating mechanism comprises quiet pulley, movable pulley and elastic telescopic part, described frame arranges the gathering sill of vertical direction, the rotating shaft of described movable pulley is arranged in described gathering sill, described quiet pulley and described movable pulley arrange lifting rope, the rotating shaft of described movable pulley connects link gear described in described link gear by described elastic telescopic part and comprises the parallel double end shift fork of two panels and be arranged at the shift fork rotating shaft in described frame, in the prong of described double end shift fork front end, roll shaft is set, the pin connecting described elastic telescopic part is set in the prong of rear end.
2. operating mode self-adapting type scaffold is elevated and anti-drop device as claimed in claim 1, it is characterized in that: described safety dropping prevent mechanism comprises anti-fall suspension rod and described roll shaft, described frame arranges the angled slot installing described roll shaft, described angled slot front end is higher than rear end, the anterior gap of described angled slot arranges described anti-fall suspension rod, and described anti-fall suspension rod top arranges exterior wall connecting elements.
3. operating mode self-adapting type scaffold is elevated and anti-drop device as claimed in claim 1, it is characterized in that: described elastic telescopic part comprises spring and spring guide, described lower spring end arranges spring base, described spring base connects described movable pulley rotating shaft near described frame side, described spring base arranges the through hole through described spring guide, the upper end of described spring is located otic placode with described spring guide top and is fixedly connected with, and described spring base connects described double end shift fork by lever.
4. the lifting of operating mode self-adapting type scaffold and anti-drop device as described in as arbitrary in claim 1-3, it is characterized in that: described elastic telescopic part comprises spring and spring guide, described spring upper end arranges spring base, described spring base connects described movable pulley rotating shaft near described frame side, described spring base arranges the through hole through described spring guide, the lower end of described spring is located otic placode with described spring guide bottom and is fixedly connected with, and described spring base connects described double end shift fork by lever.
5. the lifting of operating mode self-adapting type scaffold and anti-drop device as described in Claims 2 or 3, is characterized in that: described roll shaft two ends arrange back-up ring.
6. the lifting of operating mode self-adapting type scaffold and anti-drop device as claimed in claim 3, is characterized in that: arrange space when described roll shaft is in low level and between described anti-fall suspension rod.
7. the lifting of operating mode self-adapting type scaffold and anti-drop device as described in Claims 2 or 3, is characterized in that: arrange cancave cambered surface in the middle part of described roll shaft.
8. operating mode self-adapting type scaffold is elevated and anti-drop device as claimed in claim 1, it is characterized in that: arrange bearing in described quiet pulley and described movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528879.8A CN103061497B (en) | 2012-12-11 | 2012-12-11 | The lifting of a kind of operating mode self-adapting type scaffold and anti-drop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528879.8A CN103061497B (en) | 2012-12-11 | 2012-12-11 | The lifting of a kind of operating mode self-adapting type scaffold and anti-drop device |
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| CN103061497A CN103061497A (en) | 2013-04-24 |
| CN103061497B true CN103061497B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210528879.8A Expired - Fee Related CN103061497B (en) | 2012-12-11 | 2012-12-11 | The lifting of a kind of operating mode self-adapting type scaffold and anti-drop device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105803944B (en) * | 2016-03-24 | 2017-05-10 | 王道领 | scaffold for road and bridge construction |
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| CN103061497A (en) | 2013-04-24 |
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